Open source alternative to Postman / Insomnia

1. bruno

   1 74 31,773 9.8 JavaScript

   Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

   

   How so? In their README they specifically state:

   > Bruno is offline-only. There are no plans to add cloud-sync to Bruno, ever. We value your data privacy and believe it should stay on your device. Read our long-term vision here <https://github.com/usebruno/bruno/discussions/269>.

   I glanced over that github discussion and don't see where they've gone back on that statement. Am I just missing where they've taken the cloud route?

2. CodeRabbit

   coderabbit.ai featured

   CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

   

3. yaak

   2 7 5,114 9.8 TypeScript

   The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬

   

   I've been working on Yaak [1] which supports gRPC. Websockets are also now live in the current beta.

   [1] https://yaak.app

4. Hoppscotch

   3 235 69,890 9.6 TypeScript

   Open source API development ecosystem.

   

5. insomnium

   4 13 3,243 8.6 JavaScript

   Discontinued Insomnium is a fast local API testing tool that is privacy-focused and 100% local. For testing GraphQL, REST, WebSockets and gRPC. This is a fork of Kong/insomnia

   

   I've run the open source version of Insomnia (https://github.com/ArchGPT/insomnium) for a while, but as that project is no longer actively maintained, I may give this a look.

6. milkman

   5 11 1,255 6.0 Java

   An Extensible Request/Response Workbench

   

   I just wrote my own [1] and I will be Sure that this one will never be monetised

   [1] https://github.com/warmuuh/milkman

7. hurl

   6 60 14,225 9.9 Rust

   Hurl, run and test HTTP requests with plain text.

   

   Hurl https://github.com/Orange-OpenSource/hurl

   For those who prefer an efficient command line tool

8. insomnia

   7 246 35,789 9.8 JavaScript

   The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

   

   Yeah, but they went the cloud-first enshittification route like a year and a half ago.

   https://github.com/Kong/insomnia/issues/6577

   I still use Insomnium, a (dead) fork of Insomnia that removed all the telemetry on a version of Insomnia just before this nonsense occurred.

9. Nutrient

   www.nutrient.io featured

   Nutrient – The #1 PDF SDK Library, trusted by 10K+ developers. Other PDF SDKs promise a lot - then break. Laggy scrolling, poor mobile UX, tons of bugs, and lack of support cost you endless frustrations. Nutrient’s SDK handles billion-page workloads - so you don’t have to debug PDFs. Used by ~1 billion end users in more than 150 different countries.

   

10. slumber

    8 2 530 9.6 Rust

    Terminal-based HTTP/REST client

    

11. httpie

    9 132 34,999 6.6 Python

    🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more. (by httpie)

    

12. terminal-doom

    10 2 269 6.3 C

    Play DOOM in modern terminals

    

13. star-history

    11 48 7,067 5.4 TypeScript

    The missing star history graph of GitHub repos - https://star-history.com

    

    They explicitly sold themselves as an Insomnia alt.

    Here is their usage graph: https://star-history.com/#usebruno/bruno&Date

    Insomnia introduced account shenanigans around the end of Sept 23: https://github.com/Kong/insomnia/discussions/6590

14. posting

    12 7 8,327 9.8 Python

    The modern API client that lives in your terminal.

    

    I haven't tried it but there is Posting in a TUI: https://github.com/darrenburns/posting

15. daino-notes-public

    13 3 63 5.9 C++

    Write beautifully. Effortlessly. A note-taking app written in Qt C++ and QML.

    

16. tauri

    14 505 90,232 9.8 Rust

    Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

    

    HTML/CSS can still be used for the frontend even without Electron. Some frameworks use the OS bundled web renderer instead:

    - For Rust apps: https://github.com/tauri-apps/tauri

    - For Go apps: https://github.com/wailsapp/wails

17. Wails

    15 66 27,125 9.3 Go

    Create beautiful applications using Go

    

    HTML/CSS can still be used for the frontend even without Electron. Some frameworks use the OS bundled web renderer instead:

    - For Rust apps: https://github.com/tauri-apps/tauri

    - For Go apps: https://github.com/wailsapp/wails

18. SaaSHub

    www.saashub.com featured

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

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